1771180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 4032000

約数和(自身を除く): 2260820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 79, 95, 118, 158, 190, 236, 295, 316, 380, 395, 590, 790, 1121, 1180, 1501, 1580, 2242, 3002, 4484, 4661, 5605, 6004, 7505, 9322, 11210, 15010, 18644, 22420, 23305, 30020, 46610, 88559, 93220, 177118, 354236, 442795, 885590, 1771180]

約数ペア:

[(1, 1771180), (2, 885590), (4, 442795), (5, 354236), (10, 177118), (19, 93220), (20, 88559), (38, 46610), (59, 30020), (76, 23305), (79, 22420), (95, 18644), (118, 15010), (158, 11210), (190, 9322), (236, 7505), (295, 6004), (316, 5605), (380, 4661), (395, 4484), (590, 3002), (790, 2242), (1121, 1580), (1180, 1501)]